Stop Light Control Relay Malfunction


Table of contents

B2071 TOYOTA Possible Causes

  • Faulty Vehicle Stability Control System
  • Faulty Seat Belt Control ECU

How do I fix code B2071 TOYOTA?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the B2071 TOYOTA code

  The cost of diagnosing the B2071 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Air Bag Warning Light ON

B2071 TOYOTA Description

  This Diagnostic Trouble Code (DTC) is stored when the master cylinder solenoid (Skid Control ECU) detects that the brake light relay is malfunctioning and transmits this to the seat belt control ECU via CAN communication.

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